Goulburn Prison houses some of Australia’s most evil and depraved criminals. Known for a time as ‘The Killing Fields’, it’s a place where plastic toothbrushes are filed down into weapons, where the springs had to be removed from bed mattresses because inmates would fashion them into weapons. Where prisoners are raped and slain in the showers, and where notorious backpacker killer Ivan Milat sawed his own finger off and tried to send it to the High Court of Australia.

Meshel Laurie and Emily Webb go behind the cyclone fencing to find out just how creative these prisoners can get when it comes to evil acts.